Henco 



OF ARTS AND SCIENCES. 383 



Normal Equations. 



— 2391.30= 4a + 21.096 

 — 11772.3'J = 21.09 a +655.006 



a = —605.9 =304.8 n 

 6= f 1.54= 0.78 /i 



(2i —304.8 ii = Ri = Jo +1-6 fi 

 Qi— 306.4/^ = ^0 

 Coefficient = 17.17// + 0.78 /z = 17.95 /z 



Equations of Condition between Q^ and R^. 



Hence 



Normal Equations. 



—2111.8= 4a + 21.096 

 —3014.4 = 21.09 a +655.006 



a=— G06.7 =—305.2 fi 

 6 = + 14.93 = + 7.51 /f 



Q, —305.2 /z = 7?3 = J, +1 .2 /i 

 Qi— 300.4/^ = ^3 



Coefficient =10.28 /z + 7.51 n = 17.79// 

 COMPARISON BETWEEN STANDARDS Q,, /?.„ AND 7?, 



Hence 



Normal Equations. 



— 2213.7= 4a+ 25.33 6 

 —12459.4 = 25.33 a +730.76 6 



a = —570.7 =—287.1 // 

 6 = + 2.73=+ 1.45// 



Q,, —287.1 fi = R2 = Aq +1.6// 

 Q2— 288.7 // = .4o 



Coefficient =17.17// +1.45// =18.62// 



